20293406

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 19519714

約数列:

[1, 2, 7, 14, 19, 23, 31, 38, 46, 62, 107, 133, 161, 214, 217, 266, 322, 434, 437, 589, 713, 749, 874, 1178, 1426, 1498, 2033, 2461, 3059, 3317, 4066, 4123, 4922, 4991, 6118, 6634, 8246, 9982, 13547, 14231, 17227, 23219, 27094, 28462, 34454, 46438, 46759, 63023, 76291, 93518, 94829, 126046, 152582, 189658, 327313, 441161, 534037, 654626, 882322, 1068074, 1449529, 2899058, 10146703, 20293406]

約数ペア:

[(1, 20293406), (2, 10146703), (7, 2899058), (14, 1449529), (19, 1068074), (23, 882322), (31, 654626), (38, 534037), (46, 441161), (62, 327313), (107, 189658), (133, 152582), (161, 126046), (214, 94829), (217, 93518), (266, 76291), (322, 63023), (434, 46759), (437, 46438), (589, 34454), (713, 28462), (749, 27094), (874, 23219), (1178, 17227), (1426, 14231), (1498, 13547), (2033, 9982), (2461, 8246), (3059, 6634), (3317, 6118), (4066, 4991), (4123, 4922)]